Hi there!I'm desperately looking for a South African mine cart (specifically wheel/ rail centers)or a 3-D model. Been searching the web for ages but can't find anything.Any help?Thanks guys!

Have you tried looking over at Turbosquid or biblioCAD?

Hello estiaans, try this :
http://www.the3dstudio.com/product_search.aspx?id_category_0=1&search=mine+cart
But it's not frre ( 20 $ or + ).
Or you can do yours if you have a real one near you ?